/* ================================================
   株式会社TERASU コーポレートサイト 共通スタイル
   ネイビー #0F1E3D × ゴールド #C9A24B
   ================================================ */
:root{
  --navy:#0F1E3D; --navy-soft:#1b2f52; --gold:#C9A24B; --gold-soft:#dcc189;
  --ink:#22303f; --muted:#6f7683; --line:#e7e3d9;
  --bg:#ffffff; --bg-soft:#f6f4ee; --bg-cream:#f9f7f1;
  --radius:14px; --shadow:0 10px 30px rgba(16,30,61,.08);
  --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Noto Sans JP",-apple-system,"Hiragino Kaku Gothic ProN",sans-serif;color:var(--ink);background:var(--bg);line-height:1.8;-webkit-font-smoothing:antialiased}
.serif{font-family:"Noto Serif JP",serif}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
img.arch{display:block;height:auto}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---- ボタン・ラベル ---- */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.95rem;padding:14px 28px;border-radius:999px;transition:.2s;cursor:pointer;border:none}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 6px 18px rgba(201,162,75,.35)}
.btn-gold:hover{background:#b8913f;transform:translateY(-1px)}
.btn-line{background:#06C755;color:#fff}
.btn-line:hover{background:#05b04c}
.btn-ghost{background:transparent;color:var(--navy);border:1.5px solid var(--navy)}
.btn-ghost:hover{background:var(--navy);color:#fff}
.eyebrow{display:inline-block;font-size:.72rem;letter-spacing:.24em;font-weight:700;color:var(--gold);border:1px solid var(--gold-soft);border-radius:999px;padding:5px 14px}
.sec{padding:84px 0}
.sec-head{text-align:center;margin-bottom:48px}
.sec-head h2{font-size:clamp(1.5rem,3.4vw,2.1rem);font-weight:700;color:var(--navy);margin-top:14px;letter-spacing:.04em}
.sec-head p{color:var(--muted);margin-top:14px;font-size:.95rem}

/* ---- ロゴ ---- */
.logo{display:inline-flex;flex-direction:column;align-items:center;gap:3px;line-height:1}
.logo .wm{font-family:"Century Gothic","Futura","Avenir Next",sans-serif;font-weight:600;letter-spacing:.28em;color:var(--navy);padding-left:.28em}

/* ---- ヘッダー ---- */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.nav .logo .wm{font-size:19px}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{font-size:.88rem;font-weight:500;color:var(--navy);padding:6px 0;border-bottom:2px solid transparent}
.nav-links a:hover{color:var(--gold)}
.nav-links a.active{border-bottom-color:var(--gold);color:var(--navy);font-weight:700}
.nav-cta{padding:10px 22px;font-size:.85rem}
.menu-btn{display:none;background:none;border:none;font-size:1.5rem;color:var(--navy);cursor:pointer}
.sp-menu{display:none}
.sp-menu.open{display:block;position:fixed;inset:72px 0 auto 0;background:#fff;border-bottom:1px solid var(--line);z-index:49;padding:10px 0 18px}
.sp-menu a{display:block;padding:12px 28px;font-weight:500;color:var(--navy)}

/* ---- 下層ページ共通ヒーロー ---- */
.page-hero{background:linear-gradient(180deg,#fbfaf6 0%,#f4f1e9 100%);text-align:center;padding:64px 24px 56px;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;top:-60px;left:50%;transform:translateX(-50%);width:min(760px,90vw);height:300px;background:radial-gradient(60% 80% at 50% 0%,rgba(201,162,75,.14),transparent 70%)}
.page-hero .arch{margin:0 auto 18px;position:relative}
.page-hero h1{position:relative;font-size:clamp(1.6rem,4vw,2.3rem);font-weight:700;color:var(--navy);letter-spacing:.05em}
.page-hero .en{position:relative;font-family:"Century Gothic","Futura","Avenir Next",sans-serif;font-size:.8rem;letter-spacing:.3em;color:var(--gold);margin-top:10px}
.page-hero .lead{position:relative;max-width:640px;margin:18px auto 0;color:var(--ink);font-size:.95rem}

/* ---- トップ：ヒーロー ---- */
.hero{position:relative;background:linear-gradient(180deg,#fbfaf6 0%,#f4f1e9 100%);overflow:hidden}
.hero::before{content:"";position:absolute;top:-60px;left:18%;width:min(700px,80vw);height:340px;background:radial-gradient(60% 80% at 50% 0%,rgba(201,162,75,.13),transparent 70%)}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;padding:70px 24px 84px}
.hero-copy .arch{margin-bottom:24px}
.hero h1{font-size:clamp(1.9rem,4.6vw,2.9rem);font-weight:700;color:var(--navy);letter-spacing:.03em;line-height:1.5}
.hero h1 .hl{color:var(--gold)}
.hero .lead{max-width:560px;margin:22px 0 0;color:var(--ink);font-size:clamp(.95rem,2vw,1.03rem)}
.hero .brandline{margin-top:12px;color:var(--muted);font-size:.85rem;letter-spacing:.1em}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero .tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:28px}
.hero .tag{background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 16px;font-size:.8rem;font-weight:500;color:var(--navy)}
.hero-visual{position:relative}
.hero-visual .ph{border-radius:18px;overflow:hidden;box-shadow:0 18px 50px rgba(16,30,61,.18)}
.hero-visual .ph img{width:100%;height:100%;object-fit:cover;aspect-ratio:3/2}
.hero-visual::after{content:"";position:absolute;right:-18px;bottom:-18px;width:56%;height:56%;border:2px solid var(--gold-soft);border-radius:18px;z-index:-1}
.hero-visual .cap{position:absolute;left:14px;bottom:14px;background:rgba(15,30,61,.78);color:#fff;font-size:.72rem;letter-spacing:.06em;border-radius:8px;padding:6px 12px}

/* ---- お悩み ---- */
.pain{background:var(--navy);color:#fff}
.pain .sec-head h2{color:#fff}
.pain .sec-head .eyebrow{color:var(--gold-soft);border-color:rgba(220,193,137,.4)}
.pain-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;max-width:900px;margin:0 auto}
.pain-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);padding:24px 22px;font-size:.92rem}
.pain-card .q{color:var(--gold-soft);font-weight:700;font-size:1.05rem;margin-bottom:8px}
.pain-note{text-align:center;margin-top:36px;font-size:1.05rem;font-weight:500}
.pain-note b{color:var(--gold-soft)}

/* ---- サービスカード（トップのダイジェスト）---- */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.svc-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.2s;display:flex;flex-direction:column}
.svc-card:hover{transform:translateY(-4px);border-color:var(--gold-soft)}
.svc-photo{aspect-ratio:16/10;overflow:hidden}
.svc-photo img{width:100%;height:100%;object-fit:cover}
.svc-body{padding:26px 24px 28px;display:flex;flex-direction:column;flex:1}
.svc-card h3{font-size:1.12rem;color:var(--navy);font-weight:700;margin-bottom:10px}
.svc-card p{font-size:.9rem;color:var(--muted)}
.svc-card .more{margin-top:auto;padding-top:16px;font-size:.85rem;font-weight:700;color:var(--gold)}
.svc-sub{margin-top:22px;background:var(--bg-cream);border:1px solid var(--line);border-radius:var(--radius);padding:22px 26px;display:flex;flex-wrap:wrap;align-items:center;gap:14px 26px}
.svc-sub .lbl{font-weight:700;color:var(--navy);font-size:.9rem;white-space:nowrap}
.svc-sub-item{display:flex;align-items:center;gap:8px;font-size:.85rem;color:var(--ink)}
.svc-sub-item .dot{width:6px;height:6px;border-radius:50%;background:var(--gold)}

/* ---- サービス詳細（交互レイアウト）---- */
.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;padding:56px 0}
.svc-detail+.svc-detail{border-top:1px solid var(--line)}
.svc-detail .ph{border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.svc-detail .ph img{width:100%;object-fit:cover;aspect-ratio:3/2}
.svc-detail .num{font-family:"Century Gothic","Futura","Avenir Next",sans-serif;font-size:.8rem;letter-spacing:.3em;color:var(--gold);font-weight:700}
.svc-detail h2{font-size:clamp(1.3rem,2.8vw,1.7rem);color:var(--navy);font-weight:700;margin:10px 0 14px}
.svc-detail .desc{font-size:.95rem;margin-bottom:18px}
.svc-detail .fit{background:var(--bg-cream);border:1px solid var(--line);border-radius:12px;padding:16px 20px;margin-bottom:16px}
.svc-detail .fit .t{font-size:.8rem;font-weight:700;color:var(--navy);margin-bottom:6px}
.svc-detail .fit li{font-size:.87rem;list-style:none;padding-left:1.2em;position:relative}
.svc-detail .fit li::before{content:"✓";position:absolute;left:0;color:var(--gold);font-weight:700}
.svc-detail .chips{display:flex;flex-wrap:wrap;gap:7px}
.svc-detail .chip{font-size:.74rem;background:var(--bg-soft);color:var(--navy);border-radius:6px;padding:4px 10px;font-weight:500}
.svc-detail.rev .ph{order:2}

/* ---- 実績数字 ---- */
.stats{background:var(--bg-soft)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;text-align:center}
.stat .num{font-family:"Noto Serif JP",serif;font-size:clamp(2rem,5vw,2.8rem);font-weight:700;color:var(--navy);line-height:1}
.stat .num small{font-size:.9rem;color:var(--gold);font-weight:700;margin-left:2px}
.stat .lb{margin-top:8px;font-size:.85rem;font-weight:700;color:var(--ink)}
.stat .sub{font-size:.7rem;color:var(--muted);letter-spacing:.08em;margin-top:2px}
.stats .note{text-align:center;margin-top:26px;font-size:.72rem;color:var(--muted)}

/* ---- 写真バンド ---- */
.genba{padding:0;background:var(--bg-soft)}
.genba-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0}
.genba-grid figure{position:relative;overflow:hidden}
.genba-grid img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:.4s}
.genba-grid figure:hover img{transform:scale(1.04)}
.genba-grid figcaption{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(15,30,61,.75));color:#fff;font-size:.78rem;letter-spacing:.06em;padding:26px 16px 12px}

/* ---- 選ばれる理由 ---- */
.reason-flex{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.reason-photo{border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.reason-photo img{width:100%;object-fit:cover;aspect-ratio:3/2}
.reason-list{display:flex;flex-direction:column;gap:26px}
.reason{display:flex;gap:18px;align-items:flex-start}
.reason .rn{flex:none;width:46px;height:46px;border-radius:50%;border:1.5px solid var(--gold);color:var(--gold);display:flex;align-items:center;justify-content:center;font-family:"Noto Serif JP",serif;font-weight:700}
.reason h3{color:var(--navy);font-size:1.05rem;margin-bottom:6px}
.reason p{font-size:.88rem;color:var(--muted)}

/* ---- 理念 ---- */
.philosophy{background:var(--navy);color:#fff;text-align:center}
.philosophy .arch{margin:0 auto 26px}
.philosophy .slogan{font-family:"Noto Serif JP",serif;font-size:clamp(1.6rem,4.4vw,2.5rem);font-weight:700;letter-spacing:.1em;line-height:1.8}
.philosophy .body{max-width:620px;margin:26px auto 0;color:rgba(255,255,255,.85);font-size:.95rem}

/* ---- 代表メッセージ ---- */
.daihyo{background:var(--bg-cream)}
.daihyo-flex{display:grid;grid-template-columns:.85fr 1.15fr;gap:48px;align-items:center}
.daihyo-photo{border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
.daihyo-photo img{width:100%;object-fit:cover;aspect-ratio:4/5;object-position:top}
.daihyo-msg h2{font-size:clamp(1.4rem,3vw,1.8rem);color:var(--navy);font-weight:700;line-height:1.6;margin-bottom:20px}
.daihyo-msg p{font-size:.95rem;color:var(--ink);margin-bottom:14px}
.daihyo-msg .sign{margin-top:22px;display:flex;align-items:baseline;gap:14px}
.daihyo-msg .sign .role{font-size:.78rem;color:var(--muted);letter-spacing:.1em}
.daihyo-msg .sign .name{font-family:"Noto Serif JP",serif;font-size:1.35rem;font-weight:700;color:var(--navy);letter-spacing:.14em}

/* ---- 会社概要テーブル ---- */
.about-table{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
.about-table .row{display:grid;grid-template-columns:200px 1fr;border-bottom:1px solid var(--line)}
.about-table .th{padding:18px 20px;font-size:.85rem;font-weight:700;color:var(--navy);background:var(--bg-cream)}
.about-table .td{padding:18px 20px;font-size:.9rem;color:var(--ink)}

/* ---- 流れ ---- */
.flow{background:var(--bg-cream)}
.flow-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;position:relative}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 22px;text-align:center}
.step .sn{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.1em;color:#fff;background:var(--navy);border-radius:999px;padding:4px 14px;margin-bottom:14px}
.step h3{color:var(--navy);font-size:1.05rem;margin-bottom:8px}
.step p{font-size:.85rem;color:var(--muted)}

/* ---- お客様の声 ---- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.vcard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;box-shadow:var(--shadow)}
.vcard .badge{display:inline-block;font-size:.7rem;font-weight:700;color:var(--gold);background:var(--bg-cream);border-radius:6px;padding:4px 10px;margin-bottom:12px}
.vcard h4{color:var(--navy);font-size:1rem;margin-bottom:8px}
.vcard p{font-size:.85rem;color:var(--muted)}
.vcard .who{margin-top:14px;font-size:.78rem;color:var(--ink);font-weight:500;border-top:1px solid var(--line);padding-top:12px}

/* ---- FAQ ---- */
.faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px 24px}
.faq .q{font-weight:700;color:var(--navy);display:flex;gap:10px;font-size:.95rem}
.faq .q::before{content:"Q.";color:var(--gold);font-family:"Century Gothic","Futura",sans-serif}
.faq .a{margin-top:8px;font-size:.9rem;color:var(--muted);display:flex;gap:10px}
.faq .a::before{content:"A.";color:var(--navy);font-weight:700;font-family:"Century Gothic","Futura",sans-serif}

/* ---- お問い合わせ手段 ---- */
.contact-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;max-width:820px;margin:0 auto}
.ccard{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;text-align:center;box-shadow:var(--shadow)}
.ccard h3{color:var(--navy);font-size:1.05rem;margin-bottom:10px}
.ccard p{font-size:.85rem;color:var(--muted);margin-bottom:20px}

/* ---- CTA帯 ---- */
.cta-sec{background:var(--navy);color:#fff;text-align:center}
.cta-sec .arch{margin:0 auto 22px}
.cta-sec h2{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:700;letter-spacing:.04em}
.cta-sec p{color:rgba(255,255,255,.8);margin-top:16px;font-size:.95rem}
.cta-sec .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:30px}

/* ---- フッター ---- */
footer{background:#0a162e;color:rgba(255,255,255,.7);padding:52px 0 30px}
.foot-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:30px;padding-bottom:30px;border-bottom:1px solid rgba(255,255,255,.12)}
.foot-links{display:flex;gap:26px;flex-wrap:wrap;font-size:.85rem}
.foot-links a:hover{color:var(--gold-soft)}
.foot-logo .wm{color:#fff}
.foot-bottom{margin-top:24px;font-size:.72rem;color:rgba(255,255,255,.45);text-align:center;letter-spacing:.06em}

/* ---- レスポンシブ ---- */
@media(max-width:860px){
  .nav-links{display:none}
  .menu-btn{display:block}
  .hero-grid{grid-template-columns:1fr;padding:56px 24px 64px;gap:36px}
  .hero-visual::after{display:none}
  .pain-grid,.svc-grid,.flow-grid,.voice-grid,.contact-grid{grid-template-columns:1fr}
  .svc-detail{grid-template-columns:1fr;gap:28px;padding:44px 0}
  .svc-detail.rev .ph{order:0}
  .reason-flex,.daihyo-flex{grid-template-columns:1fr;gap:30px}
  .genba-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:28px 18px}
  .about-table .row{grid-template-columns:1fr}
  .about-table .th{padding:12px 20px 4px}
  .about-table .td{padding:4px 20px 14px}
  .sec{padding:60px 0}
}